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Light-field image and video compression for future immersive applications

Abstract : Evolutions in video technologies tend to offer increasingly immersive experiences. However, currently available 3D technologies are still very limited and only provide uncomfortable and unnatural viewing situations to the users. The next generation of immersive video technologies appears therefore as a major technical challenge, particularly with the promising light-field (LF) approach. The light-field represents all the light rays (i.e. in all directions) in a scene. New devices for sampling/capturing the light-field of a scene are emerging fast such as camera arrays or plenoptic cameras based on lenticular arrays. Several kinds of display systems target immersive applications like Head Mounted Display and projection-based light-field display systems, and promising target applications already exist. For several years now this light-field representation has been drawing a lot of interest from many companies and institutions, for example in MPEG and JPEG groups. Light-field contents have specific structures, and use a massive amount of data, that represent a challenge to set up future services. One of the main goals of this work is first to assess which technologies and formats are realistic or promising. The study is done through the scope of image/video compression, as compression efficiency is a key factor for enabling these services on the consumer markets. Secondly, improvements and new coding schemes are proposed to increase compression performance in order to enable efficient light-field content transmission on future networks.
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Submitted on : Thursday, August 2, 2018 - 3:19:06 PM
Last modification on : Friday, July 31, 2020 - 10:44:09 AM
Long-term archiving on: : Saturday, November 3, 2018 - 2:41:11 PM


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  • HAL Id : tel-01853140, version 1


Antoine Dricot. Light-field image and video compression for future immersive applications. Signal and Image processing. Télécom ParisTech, 2017. English. ⟨NNT : 2017ENST0008⟩. ⟨tel-01853140⟩



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